/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __LITEBUS_SPINLOCK_HPP__
#define __LITEBUS_SPINLOCK_HPP__

#include <atomic>

namespace litebus {

class SpinLock {
public:
    void Lock()
    {
        while (locked.test_and_set(std::memory_order_acquire)) {};
    }

    void Unlock()
    {
        locked.clear(std::memory_order_release);
    }

private:
    std::atomic_flag locked = ATOMIC_FLAG_INIT;
};

}    // namespace litebus

#endif
